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  1. #1

    Default replacing hydraulic lines - how to bleed?

    I cannot find a good manual for my GC2300. The Operator's & loader manuals that came with my tractor do NOT give sufficient detail.

    I need to replace the hydraulic lines on the loader with longer ones. How do I go about bleeding the system after replacing a line and/or taking pressure off to replace. And exactly where is the hydraulic resevior for the loader located ON the tractor, so I can check the hydraulic fluid levels.

    I always have a bear of a time getting the loader on/off, so decided to extend the lines to give me a bit more room.

    thanks.

    Lee

  2. #2
    Veteran Member
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    Dec 2009
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    Default Re: replacing hydraulic lines - how to bleed?

    Lee, just run your loader up and down, and bucket, after changing hoses, it will take care of its self. May take several cycles but air will push out in to reservoir then to atmosphere.

  3. #3
    Gold Member massey driver's Avatar
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    Aug 2009
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    418
    Location
    north of winnipeg canada
    Tractor
    massey 175,1655,gc2300

    Default Re: replacing hydraulic lines - how to bleed?

    [QUOTE=leeisdell;1978045]
    . How do I go about bleeding the system after replacing a line and/or taking pressure off to replace. And exactly where is the hydraulic resevior for the loader located ON the tractor, so I can check the hydraulic fluid levels.

    As stated above just cycle the loader up and down as well as curl the bucket tilt and dump the air will work out on its own.Taking pressure off is as simple as turning the tractor off,with the bucket on the ground move the control lever{joystick} thru all the funtions and it'll let take any pressure off the lines.As for the hydralic resevior it's the same as for the hydrostatic which is the rear diff.You have a site glass at the back of the tractor near the rear PTO shaft the level is when the site glass is full of oil with the 3pth arms down.Larry

    Forgot to mention that I replaced a couple on mine{due to failure of the lines} I had them made 3" longer only and what a huge difference to take the loader off and on now. Larry
    Last edited by massey driver; 05-28-2010 at 01:10 PM.
    Massey Driver Larry
    MF 175 Diesel, MF GC2300 Diesel,
    Many different one's over the years but still driving Massey.

  4. #4
    New Member
    Join Date
    Feb 2012
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    2
    Location
    beebe arkansas
    Tractor
    2010 kubota l 2800

    Default Re: replacing hydraulic lines - how to bleed?

    I have a 2010 kubota L2800 tractor Its has a back hoe on it i replace one on the cylinders on the back hoe now its moves real slow how would i bleed the air out of it thanks mike

  5. #5
    Elite Member
    Join Date
    Oct 2006
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    3,749
    Location
    Ohio
    Tractor
    GC2310,

    Default Re: replacing hydraulic lines - how to bleed?

    Hydraulic rams, and anything with a return hose, (2 hose system), are self bleeding.

    As described, you simply run it through to it's limits a few times, and it will push out the air.

  6. #6
    Elite Member teg's Avatar
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    Jul 2005
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    4,035
    Location
    Raleigh, NC Hillsville, VA
    Tractor
    L2800.

    Default Re: replacing hydraulic lines - how to bleed?

    Quote Originally Posted by mikeykubota View Post
    I have a 2010 kubota L2800 tractor Its has a back hoe on it i replace one on the cylinders on the back hoe now its moves real slow how would i bleed the air out of it thanks mike
    Welcome to TBN... If it's moving slowly, I think you have a different problem... try re-connecting the hoses. My guess is one is not connected all the way. Others have had the same problem. I think if it has air, it would be quick but spongy feeling.

    The 2010 L2800 should not have this problem - it happens on older models... I'm throwing this out just in case it was an older model that was just bought in 2010. (they don't really go by year model). If the load is fine and the steering is fine - most likely this is not going to be the problem...

    The return hose of the older models crack and let air into the system... this is the hose by the brakes. There usually isn't any oil leak, since it's sucking air in. Just a random thought...

  7. #7
    New Member
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    Apr 2012
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    Location
    zaneszille
    Tractor
    branson 2810

    Default Re: replacing hydraulic lines - how to bleed?

    Ive got a branson tractor. (28hp) I put new seals in hydrolice pump.
    While doing this, I all so replaced filter and all the floid. Now the bucket
    dosn't work. and the blade won't even raise. I spent 3 hr trying to raise and
    lower buket/blade, losened lines to bleed, nothing. Help. mikelarr

  8. #8
    New Member
    Join Date
    Oct 2014
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    1
    Location
    Leesville, La
    Tractor
    IH 244

    Default Re: replacing hydraulic lines - how to bleed?

    I have and IH 244 with a loader. The loader works but is slow. Some of the lines do leak but before i replace them i want to make sure nothing major is broken. How to i check the hydraulic fluid level in my tractor as well? Does anyone know where i can buy a hydraulic filter for my tractor? I'm knew to diesels and hydraulics, so any advice would be greatly appreciated.

    Ben

  9. #9
    Super Member mguitas's Avatar
    Join Date
    Aug 2011
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    6,087
    Location
    Schuylkill County Pennsylvania
    Tractor
    Massey Ferguson 1423 Hydrostat

    Default Re: replacing hydraulic lines - how to bleed?

    ben , you might want to post in the hydraulic forum.
    Massey 1423, 1462 loader, wallenstein Ranch ho gx620, with subframe mount.

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